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Statements

Subject Item
n2:RIV%2F00216305%3A26110%2F06%3APU61967%21RIV06-GA0-26110___
rdf:type
n17:Vysledek skos:Concept
dcterms:description
Underground constructions such as tunnels and subways are becoming more significant nowadays. Therefore it is important to pay attention for their designing with respect to the serviceability and durability. One of important and still actual problems inunderground constructions is fire protection. If fire occurs for example in road tunnel, the temperature rises immediately, mainly due to chimney effect, up to 1000 - 1200 C. Such high temperatures cause an undesirable fast degradation of concrete made ffrom Portland cement, connected with compressive strength decrease, cracking and spalling. This paper deals with a possibility of subsidiary fire protection (for example with wall covering) using a material based on alkali-activated slag. This material is more resistant against high temperatures, especially against shock loading, than Portland cement concretes. In the experiments we examined and compared the behaviour and properties of concrete specimens made from Portland cement and alkali activated sl Underground constructions such as tunnels and subways are becoming more significant nowadays. Therefore it is important to pay attention for their designing with respect to the serviceability and durability. One of important and still actual problems inunderground constructions is fire protection. If fire occurs for example in road tunnel, the temperature rises immediately, mainly due to chimney effect, up to 1000 - 1200 C. Such high temperatures cause an undesirable fast degradation of concrete made ffrom Portland cement, connected with compressive strength decrease, cracking and spalling. This paper deals with a possibility of subsidiary fire protection (for example with wall covering) using a material based on alkali-activated slag. This material is more resistant against high temperatures, especially against shock loading, than Portland cement concretes. In the experiments we examined and compared the behaviour and properties of concrete specimens made from Portland cement and alkali activated sl Nové možnosti protipožární ochrany stěn tunelů
dcterms:title
Nové možnosti protipožární ochrany stěn tunelů New possibilities of fire protection of tunnel walls New possibilities of fire protection of tunnel walls
skos:prefLabel
Nové možnosti protipožární ochrany stěn tunelů New possibilities of fire protection of tunnel walls New possibilities of fire protection of tunnel walls
skos:notation
RIV/00216305:26110/06:PU61967!RIV06-GA0-26110___
n4:strany
496-501
n4:aktivita
n5:Z n5:P
n4:aktivity
P(GA103/04/0139), Z(MSM0021630511)
n4:dodaniDat
n6:2006
n4:domaciTvurceVysledku
n10:2617617 n10:1918796 n10:6503918
n4:druhVysledku
n15:D
n4:duvernostUdaju
n7:S
n4:entitaPredkladatele
n13:predkladatel
n4:idSjednocenehoVysledku
488583
n4:idVysledku
RIV/00216305:26110/06:PU61967
n4:jazykVysledku
n18:eng
n4:klicovaSlova
fire protection, alkali-activated slag, concrete
n4:klicoveSlovo
n9:concrete n9:fire%20protection n9:alkali-activated%20slag
n4:kontrolniKodProRIV
[92D2EEC71C6D]
n4:mistoKonaniAkce
Hradec Králové
n4:mistoVydani
Praha
n4:nazevZdroje
Concrete Structures for Traffic Network
n4:obor
n8:JN
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:projekt
n19:GA103%2F04%2F0139
n4:rokUplatneniVysledku
n6:2006
n4:tvurceVysledku
Rovnaníková, Pavla Bayer, Patrik Rovnaník, Pavel
n4:typAkce
n20:EUR
n4:zahajeniAkce
2006-09-21+02:00
n4:zamer
n21:MSM0021630511
s:numberOfPages
6
n12:hasPublisher
Česká betonářská společnost a CBS Servis, s r.o.
n16:isbn
80-903502-8-3
n22:organizacniJednotka
26110